Balance Flashcards
Where are the labyrinths embedded?
Temporal bone
What’re otoliths made up of?
CaCO3
What sensory receptors are found in the ampulla?
Cristae
What’s the flexible gelatinous structure inside cristae called?
Cupula
What’re the types of cilia?
Kinocilium
Stereocilia
Name the 3 vestibular system reflexes
Tonic labyrinth reflex
Dynamic righting reflex
Vestibulo-ocular reflex
What is the tonic labyrinth reflex?
Keeps the axis of the head in line with the body
What’s dynamic righting reflexes?
Rapid adjustments that stop you falling when you trip
What’re the 2 types of vestíbulo-ocular reflexes?
Static reflex and dynamic vestibular nystagmus
What’s the static reflex?
Compensation of eyes during head tilting to ensure image remains the same
whats kinetosis?
Motion sickness
S+S of kinetosis
Nausea Vomiting Decreased BP Dizziness Sweating Pallor
Name one ototoxic drug
Streptomycin